IoT.js-API-DNS.md

Module: dns

IoT.js provides dns module.

Methods

dns.lookup(hostname[, options], callback)

• hostname: String
• options: Object | Number
• callback: Function(err: Error, address: String, family: Number)

Resolves a hostname into the first found A (IPv4) or AAAA (IPv6) record.

dns.resolve(hostname[, rrtype], callback)

• hostname: String
• rrtype: String
• callback: Function(err: Error, addresses: [String])

Resolves a hostname into an array of all records.

dns.reverse(ip, callback)

• ip: String
• callback: Function(err: Error, addresses: [String])

Inverse of dns.resolve(). Resolves an ip address into an array of all hostnames.